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san4es73 [151]
3 years ago
6

Jim earned $700 this week. This was $20 less than four times the amount he earned last week. Which equation, when solved for x,

gives the amount of money Jim earned last week?
A) 4x + 700 = 20
B) 4x − 700 = 20
C) 4x + 20 = 700
D) 4x − 20 = 700
Mathematics
2 answers:
joja [24]3 years ago
6 0

Answer: Your answer is d because if you solve for x you will get 180 and if you plug 180 into the equation it equals 700.

Anarel [89]3 years ago
6 0

Answer:

Your answer is D

Your welcome!

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Answer: 1 and 3/4 cupcake

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PLEASE ANSWER -( 1 - 6n )
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Answer:

6n-1

Step-by-step explanation:

Re-arrange
-(1 - 6n)
-(-6n + 1)

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4 0
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Explain it so I can better understand it
lorasvet [3.4K]
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Julia is suggesting the equation 6(r + 12) = 683.88 

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6 0
3 years ago
5 ft, 7 in, - 3 ft, 10 in.
aliina [53]

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Step-by-step explanation:


8 0
3 years ago
HELP ME PLEASEE
Nina [5.8K]

Answers:

x = -8/5 or x = 8/5

Sum of the first ten terms where all terms are positive = 4092

========================================================

Explanation:

r = common ratio

  • first term = 4
  • second term = (first term)*(common ratio) = 4r
  • third term = (second term)*(common ratio) = (4r)*r = 4r^2

The first three terms are: 4, 4r, 4r^2

We're given that the sequence is: 4, 5x, 16

Therefore, we have these two equations

  • 5x = 4r
  • 4r^2 = 16

Solve the second equation for r and you should find that r = -2 or r = 2 are the only possible solutions. If r = -2, then 5x = 4r solves to x = -8/5. If r = 2, then 5x = 4r solves to x = 8/5.

-----------------

To find the sum of the first n terms, we use this geometric series formula

Sn = a*(1 - r^n)/(1 - r)

We have

  • a = 4 = first term
  • r = 2, since we want all the terms to be positive
  • n = 10 = number of terms to sum up

So,

Sn = a*(1 - r^n)/(1 - r)

S10 = 4*(1 - 2^10)/(1 - 2)

S10 = 4*(1 - 1024)/(-1)

S10 = 4*(-1023)/(-1)

S10 = 4092

8 0
3 years ago
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